implemented tag interface as a tree
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parent
3c151eb62b
commit
6ee5474955
100
src/media.php
100
src/media.php
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@ -2,7 +2,11 @@
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namespace TheaterGF\Core;
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require_once __DIR__ . "/media-meta-box-html.php";
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require_once __DIR__ . "/tag.php";
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function array_contains( $array, $element ) {
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return null != array_find($array, function ( $e ) use ($element) { return $e == $element; });
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}
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function build_tag_name( $term ) {
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@ -33,12 +37,15 @@ function build_tag_name( $term ) {
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class MediaManager {
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public $tags;
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public function __construct() {
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add_action('init', [ $this, 'register_structure' ]);
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add_filter('attachment_fields_to_edit', [ $this, 'create_edit_media_control' ], 10, 2);
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add_action('add_meta_boxes', [ $this, 'create_tag_management_box' ]);
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add_action('save_post', [ $this, 'save_tags' ]);
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// Dont know what it does
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add_filter( 'update_post_term_count_statuses', function( $statuses, $taxonomy ) {
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@ -56,26 +63,7 @@ class MediaManager {
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}
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public function register_structure() {
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register_taxonomy('ttgf_media_tags', 'attachment', [
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'labels' => [
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'name' => 'Tags',
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'singular_name' => 'Tag',
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'search_items' => 'Search tags',
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'all_items' => 'All tags',
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'parent_item' => 'Parent tag',
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'edit_item' => 'Edit tags',
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'update_item' => 'Update tags',
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'add_new_item' => 'Add new tag',
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'new_item_name' => 'New tag name',
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'menu_name' => 'Tags',
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],
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'hierarchical' => true,
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'public' => false,
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'show_ui' => false,
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'show_admin_column' => true,
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'rewrite' => false,
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'update_count_callback' => '_update_generic_term_count'
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]);
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$this->tags = TagTree::create('ttgf_media_tags');
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}
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public function create_tag_management_box() {
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@ -89,25 +77,79 @@ class MediaManager {
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}
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public function tag_management_meta_box_html( $post ) {
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$all_terms = get_terms([
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'taxonomy' => 'ttgf_media_tags',
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'hide_empty' => false,
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]);
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$all_tags = build_tag_name($all_terms);
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$terms = get_the_terms($post, 'ttgf_media_tags');
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$tags = build_tag_name($terms);
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$tags = $this->tags->get_multiple($terms ? $terms : []);
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?>
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<h3>Assigned</h3>
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<div class="ttgf_tags_container">
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<?php foreach ( $tags as $tag ): ?>
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<div class="ttgf_tag"><?= $tag ?></div>
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<div class="ttgf_tag"><?= $tag->name() ?></div>
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<?php endforeach; ?>
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</div>
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<h3>Available</h3>
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<div>
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<?php foreach ( $this->tags->get_all() as $tag ): ?>
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<?= $tag->name() ?>: <?= $tag->id ?><br/>
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<?php endforeach ?>
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</div>
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<h3>Add new</h3>
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<div class="ttgf_tag_add">
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<?php wp_nonce_field(basename(__FILE__), 'ttgf_core_admin_nonce'); ?>
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<input type="text" list="ttgf_available_tags" name="ttgf_new_tag">
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<datalist id="ttgf_available_tags">
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<?php foreach ( $this->tags->get_all() as $tag ): ?>
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<option value="<?= $tag->name() ?>">
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<?php endforeach ?>
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</datalist>
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</div>
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<?php
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}
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public function save_tags( $post ) {
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$is_autosave = wp_is_post_autosave( $post_id );
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$is_revision = wp_is_post_revision( $post_id );
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$is_valid_nonce = isset($_POST['ttgf_core_admin_nonce']) && wp_verify_nonce($_POST['ttgf_core_admin_nonce'], basename(__FILE__));
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if ( $is_autosave || $is_revision || !$is_valid_nonce ) {
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return;
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}
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$new_tag = sanitize_text_field($_POST['ttgf_new_tag']);
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if ( isset($new_tag) ) {
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$all_terms = get_terms([
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'taxonomy' => 'ttgf_media_tags',
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'hide_empty' => false,
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]);
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$all_tags = build_tag_name($all_terms);
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$terms = get_the_terms($post, 'ttgf_media_tags');
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$tags = build_tag_name($terms);
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if ( array_find($tags, function ( $tag ) { return $tag == $new_tag; }) ) {
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return;
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}
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if ( ! array_find($all_tags, function ( $tag ) { return $tag == $new_tag; }) ) {
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$parts = explode("/", $new_tag);
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$index = count($parts);
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for ( ; $index > 0; --$index ) {
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if ( array_contains($all_tags, implode("/", array_slice($parts, 0, $index))) ) {
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break;
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}
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}
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}
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}
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}
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public function create_edit_media_control( $fields, $post ) {
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$terms = get_terms([ 'taxonomy' => 'ttgf_media_tags', 'hide_empty' => false ]);
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@ -0,0 +1,235 @@
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<?php
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namespace TheaterGF\Core;
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class Tag {
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public $term;
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public $id;
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public $parent;
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public $children;
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public function __construct( $term ) {
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$this->term = $term;
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$this->id = $term->term_id;
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$this->parent = null;
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$this->children = [];
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}
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public function name() {
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return implode('/', array_map(function ($segment) { return $segment->term->name; }, $this->path()));
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}
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public function path() {
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$path = [ $this ];
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$parent = $this->parent;
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while ( $parent ) {
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$path[] = $parent;
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$parent = $parent->parent;
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}
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return array_reverse($path);
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}
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public function get_all_children() {
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$child_list = $this->children;
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foreach ( $this->children as $child ) {
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$child_list = array_merge($child_list, $child->get_all_children());
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}
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return $child_list;
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}
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public function move( $new_term, $new_parent ) {
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$this->term = $new_term;
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$this->id = $new_term->term_id;
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if ( $this->parent == $new_parent ) {
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return;
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}
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$this->parent->remove_child($this);
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$this->parent->add_child($this);
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}
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public function update_term( $new_term ) {
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$this->term = $new_term;
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$this->id = $new_term->term_id;
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}
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public function add_child( $child ) {
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$this->children[] = $child;
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$child->parent = $this;
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}
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public function remove() {
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$this->parent->remove_child($this);
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}
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protected function remove_child( $child ) {
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$index = array_find($this->children, function ($c) use ($child) { return $c == $child; });
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if ( $index ) {
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$this->children = array_splice($this->children, $index, 1);
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}
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}
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}
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class TagTree {
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static public function create( $taxonomy_id ) {
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$taxonomy = register_taxonomy($taxonomy_id, 'attachment', [
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'labels' => [
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'name' => 'Tags',
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'singular_name' => 'Tag',
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'search_items' => 'Search tags',
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'all_items' => 'All tags',
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'parent_item' => 'Parent tag',
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'edit_item' => 'Edit tags',
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'update_item' => 'Update tags',
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'add_new_item' => 'Add new tag',
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'new_item_name' => 'New tag name',
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'menu_name' => 'Tags',
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],
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'hierarchical' => true,
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'public' => false,
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'show_ui' => false,
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'show_admin_column' => true,
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'rewrite' => false,
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'update_count_callback' => '_update_generic_term_count'
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]);
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return new TagTree($taxonomy_id);
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}
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public $taxonomy;
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public $root_tags;
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public function __construct ( $taxonomy ) {
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$this->taxonomy = $taxonomy;
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$this->root_tags = [];
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$this->rebuild();
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}
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public function get_all() {
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$all = $this->root_tags;
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foreach ( $this->root_tags as $tag ) {
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$all = array_merge($all, $tag->get_all_children());
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}
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return $all;
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}
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public function get_multiple( $terms ) {
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$num_terms = count($terms);
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if ( $num_terms == 0 ) {
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return [];
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}
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$term_ids = array_map(function ($term) { return $term->term_id; }, $terms);
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$term_ids_set = array_flip($term_ids);
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foreach ( $this->root_tags as $rt ) {
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foreach ( $rt->get_all_children() as $child ) {
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if ( isset($term_ids_set[$child->id]) ) {
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$tags[] = $child;
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}
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if ( count($tags) == $num_terms ) {
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return $tags;
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}
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}
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}
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return $tags;
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}
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public function get( $term ) {
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foreach ( $this->root_tags as $rt ) {
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$found = array_find($rt->get_all_children(), function ($child) use ($term) { return $child->id == $term->term_id; });
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if ( $found ) {
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return $found;
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}
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}
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return null;
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}
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public function create_tag( $parent, $tag_name, $description = '') {
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$new_term = wp_insert_term( $tag_name, $this->taxonomy, [
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'description' => $description,
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'parent' => $parent->id
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]);
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if ( is_wp_error($new_term) ) {
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return $new_term;
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}
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return new Tag($new_term, $parent);
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}
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public function move_tag( $tag, $new_parent ) {
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$result = wp_update_term($tag->id, $this->taxonomy, [ 'parent' => $new_parent->id ]);
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if ( is_wp_error($result) ) {
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return $result;
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}
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$new_term = get_term($result->term_id, $this->taxonomy);
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$tag->update_term( $new_term, $new_parent );
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}
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public function update_tag( $tag, $new_description ) {
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$result = wp_update_term($tag->id, $this->taxonomy, [ 'parent' => $tag->parent->id, 'description' => $new_description ]);
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if ( is_wp_error($result) ) {
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return $result;
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}
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$new_term = get_term($result->term_id, $this->taxonomy);
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$tag->update_term($new_term);
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}
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public function delete_tag( $tag ) {
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// TODO
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}
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public function rebuild() {
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$root_terms = get_terms([ 'taxonomy' => $this->taxonomy, 'hide_empty' => false, 'parent' => 0 ]);
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foreach ( $root_terms as $term ) {
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$this->root_tags[] = new Tag($term);
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}
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foreach ( $this->root_tags as $tag ) {
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$this->rebuild_children($tag);
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}
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}
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private function rebuild_children( $child ) {
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$child_terms = get_terms([ 'taxonomy' => $this->taxonomy, 'hide_empty' => false, 'parent' => $child->term->term_id ]);
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foreach ( $child_terms as $child_term ) {
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$child->add_child(new Tag($child_term));
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}
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foreach ( $child->children as $grandchild ) {
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$this->rebuild_children($grandchild);
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}
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}
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}
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